Sailboat hull



FIG. 1 is a top and rear perspective view of a sailboat hull showing our new design;

FIG. 2 is a side elevational view thereof, the side opposite that shown in FIG. 2 being the mirror image thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom perspective view thereof. 

The ornamental design for a sailboat hull, as shown and described. 